The app is incredibly simple but also super useful. This is how it works, according to Google:

Our algorithm uses linear programming to compute a virtual camera path that is optimised to recast videos and bursts as if they were filmed using stabilisation equipment, yielding a still background or creating cinematic pans to remove shakiness.

The app layout is also super simple. You don’t need to sign into anything—not even a Google account. All you’ve got to do is grant access to your camera roll. From there, the app gives you short previews of your GIF creations, and you can drop clips into a movie (basically just a super long GIF). You can also dig around in the settings for higher or lower resolution GIFs and to also turn off watermarking.

Here’s an example from my camera roll of a Live Photo I likely took by accident.

If you take a lot of Live Photos, actively or passively, this is probably an app worth having. It might even convince you to take a Live Photo or two. [iOS - Free via Google]